Solomon Muto Ancient Series

Ancient Key
Continuous Spell
When this card is activated: Special Summon 2 "Stone Giant Tokens" (Rock/EARTH/Level 3/ATK 400/DEF 2000) to your field, but destroy them when this card leaves the field. During your End Phase, if these tokens that you own did not attack, take 500 damage for each that didn't. During your 2nd Standby Phase after this card was activated: You can send it to the GY; activate 1 "Ancient Gate" from your hand or GY.

Ancient Gate
Normal Spell
You can discard this card: Add 1 "Ancient Key" or 1 card that lists it in its text from your Deck to your hand, except "Ancient Gate". When this card is activated: You can send 1 "Ancient Tome" and 1 "Ancient Giant" from your hand and/or field to the GY; Special Summon 1 "The Ancient Dragon" from your hand or Deck. If "Ancient Key" is in your GY: Your opponent cannot respond to this effect's activation.

Ancient Tome
Continuous Spell
You can only control 1 "Ancient Tome". If this card is in your GY while you control "Ancient Key", you can place this card in your Spell & Trap Zone and activate it. Once per turn: You can reveal 1 card from your hand; draw 1 card, then put the revealed card on the top of your Deck. During your End Phase, discard 1 card or destroy this card.

Ancient Giant
Level 5/EARTH/Rock/Effect
2200ATK/1100DEF
If you control "Ancient Key": You can Special Summon this card (from your hand). You can only Summon "Ancient Giant" once per turn this way. "Stone Giant Tokens" and this card you control cannot be destroyed by battle or your opponent's Spell/Trap effects. During your End Phase, if this card did not attack, take 300 damage.

Ancient Castle
Field Spell
Once per turn: You can reveal the top 4 cards of your Deck; add 1 "Ancient Key" or 1 card that lists it in its text from among them to your hand, then put the rest to the bottom of your Deck in any order. If you control "Ancient Key", you can add 2 such cards instead. When "Ancient Dragon" in the Monster Zone is destroyed by battle or an opponent's card effect: Special Summon it from your GY during the End Phase of that turn.

The Ancient Dragon
Level 8/DARK/Dragon/Effect
2800ATK/2100DEF
Cannot be Normal Summoned/Set. Must be Special Summoned by the effect of "Ancient Gate" or "Ancient Castle". When this card destroys an opponent's monster by battle, destroy all Defense Position monsters your opponent controls. While "Ancient Key" is in your GY: This card is unaffected by the effects of monsters that started the Duel in the Extra Deck.

The Legendary Gambler
Continuous Trap
When your opponent activates a card or effect: You can roll a six-sided die, and if the result is 2, 4, or 6, negate the effect and if you do, destroy that card. Spells/Traps that list "Ancient Key" in their text cannot be destroyed by your opponent's Spell/Trap effects.